Former Boston Police Commissioner Ed Davis provides analysis of the available details after a box truck reportedly struck an unknown number of pedestrians and a nearby building. #FoxNews #breakingnews #boston Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ FOX News Channel (FNC) is a 24-hour all-encompassing news service delivering breaking news as well as political and business news. The